Beyma 6MI100

Mid-range

6.5″ / 165 mm
Nominal diameter
128 Hz
Resonance
0.52
Q factor
93 dB
Sensitivity
± 3 mm
Linear excursion
500 W
Program Power
Driver
Port
Combined
Frequency response
Hz
Impedance
Ω
Impedance Phase
°
Excursion
mm
Velocity
m/s
SPL
dB
Acoustical Phase
°
Group Delay
ms
Transient response
ms
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Specifications

Sensitivity (1W, 1m, infinite baffle)
SPL1W
92.5
dB
Frequency response
100 - 8000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
128
Hz
Mechanical quality factor
QMS
8.60
Electrical quality factor
QES
0.55
Total quality factor
QTS
0.52

Large signal parameters

Maximum linear excursion
xmax
3.0
mm
Air volume displaced at xmax
VD
42
cm³
Power handling
P
250
W
Program power
Pmax
500
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
6.0
Ω
Inductance (1kHz)
LE
0.2
mH
VC Diameter
51
mm
Winding height
HVC
9
mm

Magnet

Force factor
Bl
10.8
N/A
Motor constant
Bl/√RE
4.41
N/√W
Air gap height
HAG
7
mm

Diaphragm

Effective diameter
134
mm
Effective area
SD
140
cm²
Moving mass
MMS
14
g
Moving mass (without air load)
MMD
12.7
g

Suspensions

Stiffness
KMS
8.4
N/mm
Compliance
CMS
119
µm/N
Equivalent volume to the compliance
VAS
3.1
L
Mechanical resistance
RMS
1.2
N·s/m

Dimensions

Nominal diameter
6.5
165
mm
Overall diameter
174
mm
Baffle cutout diameter
146
mm
Overall depth
85
mm
Volume occupied by the driver (estimated)
0.84
L
Net weight
3.0
kg
Beyma 6MI100 SPL & Impedance
Beyma 6MI100 Dimensions

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